1. Nowadays many authorities such as The European Patent Office , the United States Patent Office and German patent office has adopted it to manage patent . Ŀǰŷ��ר���֡�����ר���֡��¹�ר������ʹ�ø�������ר�����й�����
2. Where a patent is granted on the invention/innovation, the party waiving its patent application right may exploit such patent free of charge. ������ȡ��ר��Ȩ�ģ�����ר������Ȩ��һ���������ʵʩ��ר����
3. Patent application, patent grant and patent term of Du-Pont R407 series products are analysed in this paper. �����˶Ű˾R407ϵ�в�Ʒר�����롢��Ȩ��ר��Ȩ��Ч�������
4. Their patent services include patentability searching, patent research and retrieval, patent application or assignment hand delivery. �����ṩ��ר���������ר���Լ�����ר�����У�ר�������Ȩ��ת�á�
5. NAPP dedicated to supporting patent practitioners and those working in the field of patent law in matters relating to patent law, its practice, and technological advances. NAPP�����ڶ�ר����ҵ�ߺ���Щ��ר��������Ĺ����߾���ר�����ɡ�ר��ʵʩ��������������������ṩ������
��������
Thepresent invention relates generally to a fuel system for internalcombustion engines that enables the invention to utilize alternativefuels ���ر��Ը���ȼ��ϵͳ���ڲ���ȼ����һ��ת����ʹ������ͬ�ġ�;
An irrevocably-revoked invention patent right ������ȷ��֮����ר��Ȩ;
Patent Pledges and Patent Commons ר�����ų�ŵ��ר����ͬ;